Expert opinion

Galaxy 4

How citizen scientists discovered a giant cluster of galaxies

It used to be that you had to have years of training before you could participate in cutting-edge science. Now the internet has enabled thousands of people to contribute.


CCTV 2

Safety – or profit? The booming business of CCTV and Safer Streets

Closed circuit street cameras have been sold to the community as a way of making us safer, reducing crime and discouraging anti-social behaviour.


Ali 2

Muhammad Ali rewrote the rule book for athletes as celebrities and activists

Thirty-five years after he threw his last punch in the ring, Ali is still front of mind in any discussion of the most-important sportsman ever.


Dancing 1

Rhythm on the brain, and why we can’t stop dancing

What are the underlying causes of these individual differences in dancing ability? By looking at the way the brain responds to rhythm, we can begin to understand why many of us can’t help but to move to a beat.


The Conversation logo

Planned laws undermine native vegetation and biodiversity

The NSW government has released a very controversial piece of draft legislation that will remove restrictions on land clearance and, despite their claims, threaten biodiversity.


Kids and tablets 2

Is two hours of screen time really too much for kids?

One of the most frustrating issues modern parents face is how to manage children’s screen time.


CBD

If the people can’t get to their jobs, bring the jobs to the people

It is difficult to find a public transport solution to Sydney’s congestion problem. Central to the problem is the journey-to-work rat race in Sydney’s west.


Terminator

Google’s Go victory shows AI thinking can be unpredictable, and that’s a concern

The 4-1 defeat of Go grandmaster Lee Se-Dol by Google’s AlphaGo artificial intelligence is the latest in a string of pursuits in which technology has triumphed over humanity.



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